Been kinda side tracked doing pump replacements on a couple of FD brush trucks. I pulled old, worn, single stage pumps and installed new engine/pump units that are 4 stage pumps. These are making 150 psi at idle! And 125 psi while flowing 30 gpm, again, at idle.
Full throttle, they push 50 gpm @ 380 psi so long hose lines are no longer a problem.
First pic is completed unit.
Second is the new pump while in process
Third is what I started with...
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